CN112504948B - Concrete durability detection device under load-ion-biology combined action - Google Patents

Concrete durability detection device under load-ion-biology combined action Download PDF

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Publication number
CN112504948B
CN112504948B CN202011113400.5A CN202011113400A CN112504948B CN 112504948 B CN112504948 B CN 112504948B CN 202011113400 A CN202011113400 A CN 202011113400A CN 112504948 B CN112504948 B CN 112504948B
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detection
box
plate
rotating
detection box
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CN112504948A (en
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李强
刘学应
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Zhejiang University of Water Resources and Electric Power
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Zhejiang University of Water Resources and Electric Power
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00Investigating resistance of materials to the weather, to corrosion, or to light
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00Investigating resistance of materials to the weather, to corrosion, or to light
    • G01N17/002Test chambers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces

Abstract

The invention discloses a concrete durability detection device under combined action of load-ions-organisms, which comprises a detection box and an auxiliary box, wherein an air inlet pipe, an adding pipe, a water inlet pipe and a water outlet pipe are arranged on the detection box, a heating assembly, a humidifying assembly and a placing frame are arranged in the detection box, a rotating assembly is arranged on the placing frame, a detection test piece is arranged on the rotating assembly, a load loading assembly is arranged at the top of the detection test piece, a through hole is formed in the bottom of the detection box, the detection box is communicated with the auxiliary box through the through hole, and the auxiliary box is connected with an air compressor. The invention has the advantages of ingenious and reasonable integral structure design, simple structure and convenient operation, can simultaneously consider the durability detection of the concrete under the combined action of load-ions-organisms, and can well simulate the corrosion influence of sewage, microorganisms and the like on the concrete under the external environment by matching with the heating component, the humidifying component and the auxiliary box, thereby improving the accuracy of detection data and being more beneficial to the research and use of experimenters.

Description

Concrete durability detection device under load-ion-biology combined action
Technical Field
The invention belongs to the technical field of concrete durability detection, and particularly relates to a concrete durability detection device under the combined action of load-ions-organisms.
Background
The service conditions of the concrete in the 'five-water co-treatment' project are very complex. Concrete in the 'wushui co-treatment' project is subjected to load while being subjected to microbial and ionic corrosion. Microbial Corrosion refers to Corrosion caused by or affected by microorganisms (microbiolly induced Corrosion). There are many kinds of microorganisms causing corrosion, including sulfate reducing bacteria, fungi, cyanobacteria, nitrifying bacteria, almost various anaerobic bacteria and fungi, and these bacteria not only cause the deterioration of concrete, but also cause strong corrosion to steel bars and iron parts therein. In addition, the concrete in the 'wushui co-curing' project is also subjected to the actions of freeze-thaw cycle, alternation of dry and wet and chemical media such as sulfate, magnesium salt, acid and the like in water and soil. However, in the current concrete structure design and construction specifications, the requirements of the safety and applicability of the bearing capacity (strength) of the structure under the action of load are mainly considered, and the influence of the material performance deterioration caused by the environmental action on the safety and applicability of the structure in the long-term use process of the structure is less considered. So far, few test methods and continuous loading devices for researching service performance of a 'five-water co-treatment' engineering concrete structure in a complex environment exist. Therefore, a test device for the service performance of the concrete structure in the 'five water co-treatment' project under a complex environment needs to be developed.
Disclosure of Invention
The invention aims to provide a technical scheme of a concrete durability detection device under the combined action of load-ions-organisms aiming at the defects in the prior art, the whole structure is ingenious and reasonable in design, the structure is simple, the operation is convenient, the durability detection of the concrete under the combined action of load-ions-organisms can be considered at the same time, and the corrosion influence of sewage, microorganisms and the like under the external environment on the concrete can be well simulated by matching a heating assembly, a humidifying assembly and an auxiliary box, so that the accuracy of detection data is improved, and the concrete durability detection device is more beneficial to the research and use of experimenters.
In order to solve the technical problem, the invention adopts the following technical scheme:
concrete durability detection device under load-ion-biological combined action which characterized in that: including detection case and auxiliary box, be provided with the intake pipe on the detection case, add the pipe, inlet tube and drain pipe, be provided with heating element in the detection case, humidification subassembly and rack, be provided with runner assembly on the rack, the last detection test piece that is provided with of runner assembly, the top of detecting the test piece is provided with load loading subassembly, load loading subassembly and runner assembly fixed connection, the auxiliary box is located one side of detection case, the bottom of detection case is provided with the through hole, the detection case communicates with the auxiliary box through the through hole, the auxiliary box is connected with air compressor.
Further, all be provided with heating element on the two inside walls of detection case around, heating element includes heating boxboard and heating rod, the heating boxboard is fixed with the inner wall screw of detection case, the side of heating boxboard is provided with the jack, the heating rod is pegged graft in the jack, be provided with the heat dissipation strip on the side of heating boxboard orientation detection case inside, be provided with the arc wall on the heat dissipation strip, can cooperate temperature sensor to carry out real-time adjustment to the temperature in the detection case through heating element, guarantee temperature control in normal fluctuation range, accord with actual detection standard, thereby improve the accuracy of detection data, heat while through many heating rods, cooperate the heat dissipation strip again and give off the heat transfer to the detection case in, a plurality of arc walls have been set up on the heat dissipation strip simultaneously, further accelerate the heat dissipation rate of heat dissipation strip through the arc wall, thereby the temperature in the effective control detection case, structural design is reasonable, heating element's rate is high-efficient rapidly, and simple to operate.
Further, the humidification subassembly includes U type humidifying pipe, be provided with the shower nozzle on the bottom surface of U type humidifying pipe, the middle part top surface of U type humidifying pipe is provided with communicating pipe, the top surface that passes the detection case communicating pipe extends to the outside of detection case, the both ends of U type humidifying pipe all are provided with the connection folded plate, connect folded plate and rack screw fixation, can cooperate humidity transducer to detect the adjustment to the humidity in the detection case through the humidification subassembly, guarantee that the humidity control in the detection case does at normal fluctuation range, accord with the data standard of humidity, thereby make detection simulation environment more lifelike, improve the accuracy of detection data.
Further, the rack includes back type frame, roof support and supporting baseplate, roof support connects the top of two back type frames, two bottoms that return type frame are connected to the supporting baseplate, be connected through even board between two sides that return type frame, the inner wall fix with screw of even board and detection case, and reasonable in design, can be convenient for detect the steady placement of test piece in the detection case through the rack, guarantee the normal clear of experiment, the rack provides the support installation face for runner assembly's installation simultaneously, roof support and bottom support realize the connection between two back type frames, guarantee the self sound construction performance of rack, connect through even board again between the side of two back type frames simultaneously, further improve the structural strength of rack, reserved the hole on even board simultaneously can realize the installation of placing rack in the detection case fixed, simplify actual installation and disassembly step.
Further, the rotating assembly comprises a rotating motor and a rotating chassis, the rotating motor is fixed on the supporting top plate, the rotating chassis is located between the supporting top plate and the supporting bottom plate, a connecting rod is arranged at the center of the rotating chassis and connected with a motor shaft of the rotating motor, a clamping frame on the rotating chassis is arranged, the detection test piece is clamped in a limiting groove of the clamping frame, the direction of the detection test piece on the rotating chassis can be regularly adjusted through the design of the rotating assembly, the flowing direction of sewage relative to the detection test piece is changed, the scouring direction of the sewage to the detection test piece is adjusted, the environment simulation in the detection box is more vivid, the rotating motor rotates to drive the rotating chassis to rotate, the synchronous rotation of the detection test piece on the rotating chassis is driven, the adjustment of the angular direction of the detection test piece is achieved, the flowing direction of the sewage is indirectly changed, the scouring direction is changed, the ingenious design of the clamping frame on the rotating chassis is achieved, the clamping limit of the detection test piece on the rotating chassis is achieved, the clamping stability of the detection test piece is guaranteed, the detection test piece, the loading assembly can conveniently and can pressurize the detection test piece, and loading assembly, and the test piece loading assembly, and the installation and the test piece is simple and convenient to install.
Further, the supporting base plate is fixedly provided with two groups of limiting guide disc groups, the two groups of limiting guide disc groups are respectively located on two sides of the rotating chassis, each group of limiting guide disc groups comprises at least two limiting guide discs, the limiting guide discs are provided with clamping grooves, the clamping grooves are matched with the thickness of the rotating chassis, the rotating chassis is rotationally clamped between the two groups of limiting guide disc groups, the clamping can be simultaneously supported on two sides of the rotating chassis through the design of the two groups of limiting guide disc groups, the structural stability of the rotating chassis is guaranteed, the limiting clamping grooves of the outer side ends of the rotating chassis are in the clamping grooves of the limiting guide discs, the up-and-down jumping of the rotating chassis is limited, a specific rotating track for stable rotation of the rotating chassis can be formed by combining the combined action of the limiting guide discs on the two groups of limiting guide disc groups, the rotating chassis can only stably rotate along the rotating track, the design is ingenious, the rotating chassis is simultaneously supported through the two groups of limiting guide disc groups, meanwhile, the friction resistance in the rotating chassis rotating process can be reduced, and the rotating chassis is more convenient.
Furthermore, two positioning rods are arranged on the rotating chassis and symmetrically arranged on two sides of the connecting rod, the design is reasonable, the subsequent load loading assembly can be conveniently installed and positioned through the design of the positioning rods, and the two positioning rods are symmetrically arranged on two sides of the connecting rod to ensure the structural balance and stability of the rotating chassis as far as possible.
Further, the load loading assembly comprises a jack and an upper pressure plate, a mounting plate is fixed between the top ends of the two positioning rods, the jack is fixed on the bottom surface of the mounting plate, the jack is abutted against and compressed on the top surface of the upper pressure plate, the upper pressure plate is sleeved on the two positioning rods, the upper pressure plate is abutted against and compressed on the top surface of the detection test piece, a fastening nut is arranged on the top surface of the upper pressure plate, the fastening nut is screwed on the positioning rods in a threaded mode, the overall structure design is compact and reasonable, the mounting plate is fixed on the top ends of the two positioning rods, an installation supporting surface is provided for installation of the jack through the mounting plate, meanwhile, the positioning rods correspond to reserved through holes in the upper pressure plate, accurate clamping limiting of the upper pressure plate is achieved, the upper pressure plate is always abutted against and compressed on the top surface of the detection test piece through the jacking of the jack, load pressurization of the detection test piece is guaranteed, meanwhile, the fastening nut on the top surface of the upper pressure plate is screwed, an auxiliary limiting effect is achieved through the fastening nut, load opening groove is effectively guaranteed, actual detection is facilitated, and the mounting groove of the load loading assembly is formed in the whole detection process.
Further, the inner bottom surface of the detection box is inclined, an auxiliary box is arranged on the corresponding side face of the inclined lowest end of the inner bottom surface of the detection box, the inner bottom surface of the detection box is designed to be inclined, so that the wave making effect of the auxiliary box is more facilitated, the formation of sewage waves in the detection box is facilitated, the wave energy of sewage under the vivid environment can be simulated, and the research and the detection of data are more facilitated.
Furthermore, a partition board is arranged in the auxiliary box, the partition board partitions the auxiliary box into at least two cavities, the cavities are in one-to-one correspondence with the through holes, a conduction pipe is arranged on the outer side wall of each cavity and is connected with an air compressor, the partition board is designed to partition the auxiliary box into a plurality of cavities, each cavity corresponds to one through hole to be communicated with the interior of the detection box, each cavity is connected with one air compressor through the conduction pipe, the cavities are extruded through the air compressors, the liquid level height in the cavities is adjusted, so that the sewage in the detection box forms a standing wave, the wave scours detection test pieces in the detection box, a complex environment can be simulated, the research on the durability of concrete is facilitated, each cavity is controlled by an independent air compressor, the liquid level adjustment height and the adjustment period in each cavity can be controlled, periodic continuous waves are formed, the water flow scouring strength and wave energy can be simulated in the detection device, and the practical detection research is facilitated.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the invention has the advantages of ingenious and reasonable overall structure design, simple structure and convenient operation, can simultaneously consider the durability detection of the concrete under the combined action of load-ions-organisms, and can well simulate the corrosion influence of sewage, microorganisms and the like under the external environment on the concrete by matching with the heating component, the humidifying component and the auxiliary box, thereby improving the accuracy of detection data and being more beneficial to the research and use of experimenters. The air inlet pipe can facilitate the introduction of hydrogen sulfide gas, the hydrogen sulfide gas simulates the corrosion of microorganisms to concrete, the detection and research of the durability of the concrete are facilitated, the adding pipe can realize the addition of growth factors, the growth factors can be matched with reinforced sewage, the test period is further shortened, the test period is controlled within a reasonable time, the environment in the detection box is enabled to be closer to the concrete corrosion condition under the real environment, the actual research is facilitated, the water inlet pipe can facilitate the addition of the reinforced sewage, the drain pipe can facilitate the removal and replacement of the reinforced sewage in the detection box, so that the COD value of the reinforced sewage in the detection box is ensured to be kept above 500, the heating component can be matched with the temperature sensor to adjust the temperature in the detection box in real time, the temperature is ensured to be controlled within a normal fluctuation range, and the humidification component can be matched with the humidity sensor to detect and adjust the humidity in the detection box, the humidity in the detection box is controlled within a normal fluctuation range to meet the humidity data standard, the detection environment in the detection box is controlled from the aspects of temperature and humidity simultaneously, so that the detection simulation environment is more vivid, the accuracy of detection data is improved, a blowing fan is further arranged in the detection box, the effects of a heating component and a humidifying component can be more comprehensive and efficient through the blowing fan, meanwhile, hydrogen sulfide can be rapidly diffused into the detection box through the blowing fan, the detection period of a detection test piece is shortened, the actual detection research is more convenient, the adjustment of the placement angle of the detection test piece can be realized by the rotating component, the flushing direction of intensified sewage to the detection test piece is changed, the environment simulation is more real, and the load loading component can further simulate the structural bearing capacity of concrete under the action of detection load, therefore, the detection device can realize the detection of the durability of the concrete under the combined action of load-ions-organisms, and is more beneficial to the actual research.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of a concrete durability testing device under load-ion-biological combined action according to the present invention;
FIG. 2 is a schematic view showing the internal structure of the detection box according to the present invention;
FIG. 3 is a schematic view of the installation position structure of the heating assembly, the humidifying assembly and the placing frame in the detection box according to the present invention;
FIG. 4 is a schematic view of the position structure of the through hole in the inspection box according to the present invention;
FIG. 5 is a schematic view showing an inner structure of an auxiliary tank according to the present invention;
FIG. 6 is a schematic view of the humidifying assembly of the present invention;
FIG. 7 is a schematic view of a heating element according to the present invention;
FIG. 8 is a schematic view of the installation positions of the rotating assembly, the load loading assembly and the placing frame in the present invention;
FIG. 9 is a schematic view of the position structure of the rotating chassis and the limiting guide disc set according to the present invention;
fig. 10 is a schematic structural view of the rack of the present invention;
FIG. 11 is a schematic view of the mounting structure of the rotating assembly and the load family assembly of the present invention;
FIG. 12 is a schematic view of the inner bottom surface of the detection box of the present invention.
In the figure: 1-detection box; 2-an auxiliary box; 3, an air inlet pipe; 4-an addition pipe; 5-water inlet pipe; 6, a drain pipe; 7-a heating assembly; 8-a humidifying component; 9-placing a rack; 10-a rotating assembly; 11-detecting the test piece; 12-a through opening; 13-heating the boxboard; 14-a heating rod; 15-heat dissipation strips; 16-an arc-shaped groove; 17-U type humidifying pipe; 18-a spray head; 19-a communicating tube; 20-connecting flaps; 21-a square frame; 22-supporting the top plate; 23-a support floor; 24-connecting plates; 25-a rotating motor; 26-rotating the chassis; 27-a connecting rod; 28-clamping frame; 29-a limiting groove; 30-limiting guide disc; 31-a card slot; 32-positioning rods; 33-jacks; 34-an upper press plate; 35-a mounting plate; 36-a fastening nut; 37-a separator; 38-a cavity; 39-a blowing fan; 40-conducting pipe.
Detailed Description
As shown in fig. 1 to 12, the device for detecting the durability of concrete under the combined action of load-ion-organism comprises a detection box 1 and an auxiliary box 2, wherein an air inlet pipe 3, an adding pipe 4, an inlet pipe 5 and a drain pipe 6 are arranged on the detection box 1, a heating assembly 7, a humidifying assembly 8 and a placing frame 9 are arranged in the detection box 1, a rotating assembly 10 is arranged on the placing frame 9, a detection test piece 11 is arranged on the rotating assembly 10, a load loading assembly is arranged at the top of the detection test piece 11 and fixedly connected with the rotating assembly 10, the auxiliary box 2 is arranged at one side of the detection box 1, a through hole 12 is arranged at the bottom of the detection box 1, the detection box 1 is communicated with the auxiliary box 2 through the through hole 12, the auxiliary box 2 is connected with an air compressor, and the air compressor can change the liquid level in the auxiliary box 2, so that waves are formed in the detection box 1 and the scouring force and wave energy of water flow are simulated.
All be provided with heating element 7 on two inside walls around the detection case 1, heating element 7 includes heating boxboard 13 and heating rod 14, heating boxboard 13 and detection case 1's inner wall fix with screw, heating boxboard 13's side is provided with the jack, heating rod 14 pegs graft in the jack, heating boxboard 13 is provided with heat dissipation strip 15 towards on the inside side of detection case 1, be provided with arc wall 16 on the heat dissipation strip 15, can cooperate temperature sensor to carry out real-time adjustment to the temperature in the detection case 1 through heating element 7, guarantee that temperature control is in normal fluctuation range, accord with actual detection standard, thereby improve the accuracy of detected data, heat when through many heating rod 14, it distributes in detection case 1 with heat transfer to cooperate heat dissipation strip 15 again, a plurality of arc walls 16 have been set up on heat dissipation strip 15 simultaneously, further accelerate the heat dissipation rate of heat dissipation strip 15 through arc wall 16, thereby effectively control the temperature in the detection case 1, and reasonable structural design, heating element 7's heating rate is high-efficient rapid, and simple to assemble conveniently.
Humidification subassembly 8 includes U type humidification pipe 17, be provided with shower nozzle 18 on the bottom surface of U type humidification pipe 17, the middle part top surface of U type humidification pipe 17 is provided with communicating pipe 19, communicating pipe 19 passes the top surface of detection case 1 and extends to the outside of detection case 1, the both ends of U type humidification pipe 17 all are provided with connection folded plate 20, connect folded plate 20 and rack 9 fix with screw, can cooperate humidity transducer to detect the adjustment to the humidity in the detection case 1 through humidification subassembly 8, guarantee that the humidity control in the detection case 1 is at normal fluctuation range, accord with the data standard of humidity, thereby make detection simulation environment more lifelike, improve the accuracy of detected data.
The rack 9 includes two time type frames 21, supporting roof 22 and supporting baseplate 23, supporting roof 22 connects two tops of time type frame 21, two bottoms of time type frame 21 are connected to supporting baseplate 23, be connected through even board 24 between two sides of time type frame 21, even board 24 is fixed with the inner wall screw of detection case 1, and reasonable design, can be convenient for detect the steady placing of test piece 11 in detection case 1 through rack 9, guarantee the normal clear of experiment, rack 9 provides the support installation face for the installation of runner assembly 10 simultaneously, supporting roof 22 and supporting baseplate 23 realize the connection between two time type frames 21, guarantee rack 9's self sound construction performance, connect through even board 24 again between two sides of time type frame 21 simultaneously, further improve rack 9's structural strength, reserved the hole on even board 24 simultaneously can realize rack 9 is fixed in the installation of detection case 1, simplify actual installation dismantlement step.
The rotating assembly 10 comprises a rotating motor 25 and a rotating chassis 26, the rotating motor 25 is fixed on a supporting top plate 22, the rotating chassis 26 is located between the supporting top plate 22 and a supporting bottom plate 23, a connecting rod 27 is arranged at the center of the rotating chassis 26, the connecting rod 27 is connected with a motor shaft of the rotating motor 25, a clamping frame 28 on the rotating chassis 26 is clamped in a limiting groove 29 of the clamping frame 28, the direction of the detection test piece 11 on the rotating chassis 26 can be regularly adjusted through the design of the rotating assembly 10, the flowing direction of sewage relative to the detection test piece is changed, the scouring direction of the sewage to the detection test piece 11 is adjusted, the environment simulation in the detection box 1 is more vivid, the rotating motor 25 rotates to drive the rotating chassis 26 to rotate, the synchronous rotation of the detection test piece 11 on the rotating chassis 26 is driven, the angle direction of the detection test piece 11 is adjusted, the flowing and scouring direction of the sewage are indirectly changed, the smart design of the clamping frame 28 on the rotating chassis 26 is achieved, the clamping limit of the detection test piece 11 is guaranteed, the clamping stability of the detection test piece 11, the load loading assembly can be conveniently pressurized, and the detection test piece 11 can be easily disassembled.
Two groups of limiting guide disc groups are fixedly arranged on the supporting bottom plate 23 and are respectively positioned on two sides of the rotating chassis 26, each group of limiting guide disc groups comprises at least two limiting guide discs 30, clamping grooves 31 are formed in the limiting guide discs 30, the clamping grooves 31 are matched with the thickness of the rotating chassis 26, the rotating chassis 26 is rotatably clamped between the two groups of limiting guide discs 30, through the design of the two groups of limiting guide discs 30, the two sides of the rotating chassis 26 can be simultaneously supported and clamped, the structural stability of the rotating chassis 26 is ensured, the limiting clamping grooves 31 of the limiting guide discs 30 are connected to the outer side ends of the rotating chassis 26, the up-and-down jumping of the rotating chassis 26 is limited, meanwhile, a specific rotating track for stably rotating the rotating chassis 26 can be formed through the combined effect of the limiting guide discs 30 on the two groups of limiting guide discs 30, the rotating chassis 26 can only stably rotate along the rotating track, the design is ingenious, the rotating chassis 26 can be simultaneously supported through the two groups of limiting guide discs 30, meanwhile, the friction resistance in the rotating process of the rotating chassis 26 can be reduced, and the rotating chassis 26 can be more convenient to rotate.
The two positioning rods 32 are arranged on the rotating chassis 26, the two positioning rods 32 are symmetrically arranged on two sides of the connecting rod 27, the design is reasonable, the subsequent load loading assembly can be conveniently installed and positioned through the design of the positioning rods 32, and the structural balance and stability performance of the rotating chassis 26 can be guaranteed as far as possible by symmetrically arranging the two positioning rods 32 on two sides of the connecting rod 27.
The load loading assembly comprises a jack 33 and an upper pressure plate 34, a mounting plate 35 is fixed between the top ends of two positioning rods 32, the jack 33 is fixed on the bottom surface of the mounting plate 35, the jack 33 is abutted and pressed on the top surface of the upper pressure plate 34, the upper pressure plate 34 is sleeved on the two positioning rods 32, the upper pressure plate 34 is abutted and pressed on the top surface of the test piece 11, a fastening nut 36 is arranged on the top surface of the upper pressure plate 34, the fastening nut 36 is screwed on the positioning rods 32, the whole structure is compact and reasonable in design, the mounting plate 35 is fixed on the top ends of the two positioning rods 32, an installation supporting surface is provided for the installation of the jack 33 through the mounting plate 35, the positioning rods 32 correspond to reserved through holes on the upper pressure plate 34, the accurate clamping limiting of the upper pressure plate 34 is achieved, the upper pressure plate 34 is always abutted and pressed on the top surface of the test piece 11 through the jacking of the jack 33, the load pressurization of the test piece 11 is guaranteed, meanwhile, the fastening nut 36 on the top surface of the upper pressure plate 34 is screwed, the fastening nut 36 plays a role in auxiliary limiting effect, the loading of the load on the whole test piece 11, the load is further, the test piece is convenient for the actual test, the rotation of the mounting plate 35, and the mounting plate is convenient for dismounting of the mounting plate 26 during the loading assembly, and the loading process is not only, and the rotary loading assembly.
The interior bottom surface of detection case 1 is the slope setting, and the corresponding side of the slope least significant end of the interior bottom surface of detection case 1 is provided with auxiliary box 2, designs into the slope design with the interior bottom surface of detection case 1 to more be favorable to auxiliary box 2 to make unrestrained effect, be favorable to the formation of the sewage wave in the detection case 1, thereby can simulate under the lifelike environment the wave energy of sewage and erode, more be favorable to the research detection of data.
The auxiliary box 2 is internally provided with a partition plate 37, the auxiliary box 2 is partitioned into at least two cavities 38 by the partition plate 37, the cavities 38 correspond to the through holes 12 one by one, the outer side walls of the cavities 38 are respectively provided with a conduction pipe 40, the conduction pipes 40 are connected with an air compressor, the partition plate 37 is designed to partition the auxiliary box 2 into a plurality of cavities 38, each cavity 38 corresponds to one through hole 12 to realize communication with the inside of the detection box 1, each cavity 38 is connected with one air compressor through the conduction pipe 40, the cavities 38 are extruded by the air compressor to adjust the liquid level height in the cavities 38, so that sewage in the detection box 1 forms a wavy wave, the wave erodes the detection test piece 11 in the detection box 1, a complex environment can be simulated, the durability of concrete can be researched, each cavity 38 is controlled by the independent air compressor, the liquid level adjustment height and the adjustment period in each cavity 38 can be controlled, and a periodic continuous wave can be formed, the water flow force and the actual detection research can be simulated in the detection device, and the actual detection research of wave energy can be more facilitated.
The invention has the advantages of ingenious and reasonable overall structure design, simple structure and convenient operation, can simultaneously consider the durability detection of the concrete under the combined action of load-ions-organisms, and can well simulate the corrosion influence of sewage, microorganisms and the like on the concrete under the external environment by matching with the heating component 7, the humidifying component 8 and the auxiliary box 2, thereby improving the accuracy of detection data and being more beneficial to the research and use of experimenters. The air inlet pipe 3 can facilitate the introduction of hydrogen sulfide gas, the hydrogen sulfide gas can simulate the corrosion of microorganisms to concrete, the detection and research of the durability of the concrete are facilitated, the adding pipe 4 can realize the addition of growth factors, the growth factors can be matched with reinforced sewage, the test period is further shortened, the test period is controlled within a reasonable time, the environment in the detection box 1 is enabled to be closer to the concrete corrosion condition under the real environment, the actual research is facilitated, the water inlet pipe 5 can facilitate the addition of the reinforced sewage, the drain pipe 6 can facilitate the removal and replacement of the reinforced sewage in the detection box 1, the COD value of the reinforced sewage in the detection box 1 is ensured to be kept above 500, the heating component 7 can be matched with a temperature sensor to adjust the temperature in the detection box 1 in real time, and the temperature is ensured to be controlled within a normal fluctuation range, the humidifying component 8 can be matched with a humidity sensor to detect and adjust the humidity in the detection box 1, the humidity in the detection box 1 is controlled within a normal fluctuation range, the humidity data standard is met, the detection environment in the detection box 1 is controlled from two aspects of temperature and humidity, the detection simulation environment is more vivid, the accuracy of detection data is improved, a blowing fan 39 is further arranged in the detection box 1, the heating component 7 and the humidifying component 8 can be more comprehensive and efficient through the blowing fan 39, meanwhile, hydrogen sulfide can be rapidly diffused into the detection box 1 through the blowing fan 39, the detection period of the detection test piece 11 is shortened, the actual detection research is more convenient, meanwhile, the detection test piece 11 can be adjusted in the placement angle by the rotating component 10, and the scouring direction of reinforced sewage to the detection test piece 11 is changed, the environment simulation is more real, and the load loading assembly can further simulate and detect the structural bearing capacity of the concrete under the load action, so that the detection of the durability of the concrete under the combined action of load-ions-organisms can be realized through the detection device, and the actual research is more facilitated.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications based on the present invention to achieve substantially the same technical effects are all covered by the scope of the present invention.

Claims (7)

1. Concrete durability detection device under load-ion-biological combined action, its characterized in that: the device comprises a detection box and an auxiliary box, wherein an air inlet pipe, an adding pipe, a water inlet pipe and a water outlet pipe are arranged on the detection box, a heating assembly, a humidifying assembly and a placing rack are arranged in the detection box, a rotating assembly is arranged on the placing rack, a detection test piece is arranged on the rotating assembly, a load loading assembly is arranged at the top of the detection test piece and fixedly connected with the rotating assembly, the heating assembly is arranged on the front inner side wall and the rear inner side wall of the detection box, the heating assembly comprises a heating box plate and a heating rod, the heating box plate is fixed with the inner wall of the detection box through screws, a jack is arranged at the side end of the heating box plate, the heating rod is inserted in the jack, a heat dissipation strip is arranged on the side surface of the heating box facing the inside of the detection box, and an arc-shaped groove is arranged on the heat dissipation strip, the rack comprises a clip-shaped frame, a supporting top plate and a supporting bottom plate, wherein the supporting top plate is connected with two tops of the clip-shaped frame, the supporting bottom plate is connected with two bottoms of the clip-shaped frame, the two sides of the clip-shaped frame are connected through a connecting plate, the connecting plate is fixed with the inner wall of the detection box through screws, the auxiliary box is located on one side of the detection box, a through hole is formed in the bottom of the detection box, the detection box is communicated with the auxiliary box through the through hole, the auxiliary box is connected with an air compressor, a partition plate is arranged in the auxiliary box and divides the auxiliary box into at least two cavities, the cavities are in one-to-one correspondence with the through hole, and conduction pipes are arranged on the outer side walls of the cavities and connected with the air compressor.
2. The apparatus for testing concrete durability under load-ion-bio interaction according to claim 1, wherein: the humidifying component comprises a U-shaped humidifying pipe, a sprayer is arranged on the bottom surface of the U-shaped humidifying pipe, the middle top surface of the U-shaped humidifying pipe is provided with a communicating pipe, the communicating pipe penetrates through the top surface of the detection box and extends to the outer side of the detection box, the two ends of the U-shaped humidifying pipe are provided with connecting folded plates, and the connecting folded plates are fixed to the placing rack screws.
3. The apparatus for testing concrete durability under load-ion-bio interaction according to claim 2, wherein: the rotating assembly comprises a rotating motor and a rotating chassis, the rotating motor is fixed on the supporting top plate, the rotating chassis is located between the supporting top plate and the supporting bottom plate, a connecting rod is arranged at the center of the rotating chassis and connected with a motor shaft of the rotating motor, a clamping frame is arranged on the rotating chassis, and the detection test piece is clamped in a limiting groove of the clamping frame.
4. The apparatus for testing concrete durability under load-ion-bio interaction according to claim 3, wherein: the supporting base plate is fixedly provided with two groups of limiting guide disc groups, the two groups of limiting guide disc groups are respectively located on two sides of the rotating chassis, each group of limiting guide disc groups comprises at least two limiting guide discs, clamping grooves are formed in the limiting guide discs, the clamping grooves are matched with the thickness of the rotating chassis, and the rotating chassis is rotatably clamped between the two groups of limiting guide disc groups.
5. The apparatus for testing concrete durability under load-ion-bio interaction according to claim 3, wherein: the rotating chassis is provided with two positioning rods, and the two positioning rods are symmetrically arranged on two sides of the connecting rod.
6. The apparatus for testing concrete durability under load-ion-bio interaction according to claim 5, wherein: the load loading assembly comprises a jack and an upper pressing plate, a mounting plate is fixed between the top ends of the positioning rods, the jack is fixed on the bottom surface of the mounting plate, the jack is abutted and compressed on the top surface of the upper pressing plate, the upper pressing plate is sleeved with the two positioning rods, the upper pressing plate is abutted and compressed on the top surface of the detection test piece, a fastening nut is arranged on the top surface of the upper pressing plate, and the fastening nut is screwed on the positioning rods.
7. The apparatus for testing concrete durability under load-ion-bio interaction according to claim 1, wherein: the inner bottom surface of the detection box is obliquely arranged, and the corresponding side face of the lowest oblique end of the inner bottom surface of the detection box is provided with the auxiliary box.
CN202011113400.5A 2020-10-17 2020-10-17 Concrete durability detection device under load-ion-biology combined action Active CN112504948B (en)

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